<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>layui</title>
    <meta content="webkit" name="renderer">
    <meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible">
    <meta content="width=device-width, initial-scale=1, maximum-scale=1" name="viewport">
    <link href="../css/xadmin.css" rel="stylesheet">
    <link href="../lib/layui/css/layui.css" rel="stylesheet" type="text/css">
    <!-- 注意：如果你直接复制所有代码到本地，上述css路径需要改成你本地的 -->
</head>
<body class="form-wrap">

    <div class=" layui-fluid  layui-bg-white">
        <blockquote class="layui-elem-quote">为节省服务器开销，以下示例均未配置真实上传接口，所以每次上传都会报提示：请求上传接口出现异常，这属于正常现象。</blockquote>

        <fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
            <legend>常规使用：普通图片上传</legend>
        </fieldset>

        <div class="layui-upload">
            <button class="layui-btn" id="test1" type="button">上传图片</button>
            <div class="layui-upload-list">
                <img class="layui-upload-img" id="demo1">
                <p id="demoText"></p>
            </div>
        </div>

        <fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
            <legend>上传多张图片</legend>
        </fieldset>

        <div class="layui-upload">
            <button class="layui-btn" id="test2" type="button">多图片上传</button>
            <blockquote class="layui-elem-quote layui-quote-nm" style="margin-top: 10px;">
                预览图：
                <div class="layui-upload-list" id="demo2"></div>
            </blockquote>
        </div>

        <fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
            <legend>指定允许上传的文件类型</legend>
        </fieldset>

        <button class="layui-btn" id="test3" type="button"><i class="layui-icon"></i>上传文件</button>
        <button class="layui-btn layui-btn-primary" id="test4" type="button"><i class="layui-icon"></i>只允许压缩文件</button>
        <button class="layui-btn" id="test5" type="button"><i class="layui-icon"></i>上传视频</button>
        <button class="layui-btn" id="test6" type="button"><i class="layui-icon"></i>上传音频</button>
        <div style="margin-top: 10px;">

            <!-- 示例-970 -->
            <ins class="adsbygoogle" data-ad-client="ca-pub-6111334333458862"
                 data-ad-slot="3820120620" style="display:inline-block;width:970px;height:90px"></ins>

        </div>
        <fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
            <legend>设定文件大小限制</legend>
        </fieldset>

        <button class="layui-btn layui-btn-danger" id="test7" type="button"><i class="layui-icon"></i>上传图片</button>
        <div class="layui-inline layui-word-aux">
            这里以限制 60KB 为例
        </div>

        <fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
            <legend>同时绑定多个元素，并将属性设定在元素上</legend>
        </fieldset>

        <button class="layui-btn demoMore" lay-data="{url: '/a/'}">上传A</button>
        <button class="layui-btn demoMore" lay-data="{url: '/b/', size:5}">上传B</button>
        <button class="layui-btn demoMore" lay-data="{url: '/c/', accept: 'file',size:10}">上传C</button>

        <fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
            <legend>选完文件后不自动上传</legend>
        </fieldset>

        <div class="layui-upload">
            <button class="layui-btn layui-btn-normal" id="test8" type="button">选择文件</button>
            <button class="layui-btn" id="test9" type="button">开始上传</button>
        </div>
        <fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
            <legend>拖拽上传</legend>
        </fieldset>

        <div class="layui-upload-drag" id="test10">
            <i class="layui-icon"></i>
            <p>点击上传，或将文件拖拽到此处</p>
        </div>

        <fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
            <legend>高级应用：制作一个多文件列表</legend>
        </fieldset>

        <div class="layui-upload">
            <button class="layui-btn layui-btn-normal" id="testList" type="button">选择多文件</button>
            <div class="layui-upload-list">
                <table class="layui-table">
                    <thead>
                    <tr>
                        <th>文件名</th>
                        <th>大小</th>
                        <th>状态</th>
                        <th>操作</th>
                    </tr>
                    </thead>
                    <tbody id="demoList"></tbody>
                </table>
            </div>
            <button class="layui-btn" id="testListAction" type="button">开始上传</button>
        </div>

        <fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
            <legend>绑定原始文件域</legend>
        </fieldset>

        <input id="test20" name="file" type="file">

    </div>

    <script charset="utf-8" src="../lib/layui/layui.js" type="text/javascript"></script>
    <!-- 注意：如果你直接复制所有代码到本地，上述js路径需要改成你本地的 -->
    <script>
        layui.use('upload', function () {
            var $ = layui.jquery
                , upload = layui.upload;

            //普通图片上传
            var uploadInst = upload.render({
                elem: '#test1'
                , url: '/upload/'
                , before: function (obj) {
                    //预读本地文件示例，不支持ie8
                    obj.preview(function (index, file, result) {
                        $('#demo1').attr('src', result); //图片链接（base64）
                    });
                }
                , done: function (res) {
                    //如果上传失败
                    if (res.code > 0) {
                        return layer.msg('上传失败');
                    }
                    //上传成功
                }
                , error: function () {
                    //演示失败状态，并实现重传
                    var demoText = $('#demoText');
                    demoText.html('<span style="color: #FF5722;">上传失败</span> <a class="layui-btn layui-btn-xs demo-reload">重试</a>');
                    demoText.find('.demo-reload').on('click', function () {
                        uploadInst.upload();
                    });
                }
            });

            //多图片上传
            upload.render({
                elem: '#test2'
                , url: '/upload/'
                , multiple: true
                , before: function (obj) {
                    //预读本地文件示例，不支持ie8
                    obj.preview(function (index, file, result) {
                        $('#demo2').append('<img src="' + result + '" alt="' + file.name + '" class="layui-upload-img">')
                    });
                }
                , done: function (res) {
                    //上传完毕
                }
            });

            //指定允许上传的文件类型
            upload.render({
                elem: '#test3'
                , url: '/upload/'
                , accept: 'file' //普通文件
                , done: function (res) {
                    console.log(res)
                }
            });
            upload.render({ //允许上传的文件后缀
                elem: '#test4'
                , url: '/upload/'
                , accept: 'file' //普通文件
                , exts: 'zip|rar|7z' //只允许上传压缩文件
                , done: function (res) {
                    console.log(res)
                }
            });
            upload.render({
                elem: '#test5'
                , url: '/upload/'
                , accept: 'video' //视频
                , done: function (res) {
                    console.log(res)
                }
            });
            upload.render({
                elem: '#test6'
                , url: '/upload/'
                , accept: 'audio' //音频
                , done: function (res) {
                    console.log(res)
                }
            });

            //设定文件大小限制
            upload.render({
                elem: '#test7'
                , url: '/upload/'
                , size: 60 //限制文件大小，单位 KB
                , done: function (res) {
                    console.log(res)
                }
            });

            //同时绑定多个元素，并将属性设定在元素上
            upload.render({
                elem: '.demoMore'
                , before: function () {
                    layer.tips('接口地址：' + this.url, this.item, {tips: 1});
                }
                , done: function (res, index, upload) {
                    var item = this.item;
                    console.log(item); //获取当前触发上传的元素，layui 2.1.0 新增
                }
            })

            //选完文件后不自动上传
            upload.render({
                elem: '#test8'
                , url: '/upload/'
                , auto: false
                //,multiple: true
                , bindAction: '#test9'
                , done: function (res) {
                    console.log(res)
                }
            });

            //拖拽上传
            upload.render({
                elem: '#test10'
                , url: '/upload/'
                , done: function (res) {
                    console.log(res)
                }
            });

            //多文件列表示例
            var demoListView = $('#demoList')
                , uploadListIns = upload.render({
                elem: '#testList'
                , url: '/upload/'
                , accept: 'file'
                , multiple: true
                , auto: false
                , bindAction: '#testListAction'
                , choose: function (obj) {
                    var files = this.files = obj.pushFile(); //将每次选择的文件追加到文件队列
                    //读取本地文件
                    obj.preview(function (index, file, result) {
                        var tr = $(['<tr id="upload-' + index + '">'
                            , '<td>' + file.name + '</td>'
                            , '<td>' + (file.size / 1014).toFixed(1) + 'kb</td>'
                            , '<td>等待上传</td>'
                            , '<td>'
                            , '<button class="layui-btn layui-btn-xs demo-reload layui-hide">重传</button>'
                            , '<button class="layui-btn layui-btn-xs layui-btn-danger demo-delete">删除</button>'
                            , '</td>'
                            , '</tr>'].join(''));

                        //单个重传
                        tr.find('.demo-reload').on('click', function () {
                            obj.upload(index, file);
                        });

                        //删除
                        tr.find('.demo-delete').on('click', function () {
                            delete files[index]; //删除对应的文件
                            tr.remove();
                            uploadListIns.config.elem.next()[0].value = ''; //清空 input file 值，以免删除后出现同名文件不可选
                        });

                        demoListView.append(tr);
                    });
                }
                , done: function (res, index, upload) {
                    if (res.code == 0) { //上传成功
                        var tr = demoListView.find('tr#upload-' + index)
                            , tds = tr.children();
                        tds.eq(2).html('<span style="color: #5FB878;">上传成功</span>');
                        tds.eq(3).html(''); //清空操作
                        return delete this.files[index]; //删除文件队列已经上传成功的文件
                    }
                    this.error(index, upload);
                }
                , error: function (index, upload) {
                    var tr = demoListView.find('tr#upload-' + index)
                        , tds = tr.children();
                    tds.eq(2).html('<span style="color: #FF5722;">上传失败</span>');
                    tds.eq(3).find('.demo-reload').removeClass('layui-hide'); //显示重传
                }
            });

            //绑定原始文件域
            upload.render({
                elem: '#test20'
                , url: '/upload/'
                , done: function (res) {
                    console.log(res)
                }
            });

        });
    </script>

</body>
</html>